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Oval|Lab Grown|IGI

4.12ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG845657172

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG845657172

Diamond specifications and retailer prices

From £520 GBP
$693 USD
As of October 29, 2026
Save £380 GBP (42%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,876 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.12ct lab-grown oval diamond

This 4.12ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845657172 or 845657172. Listed at 3 retailers as of October 29, 2026, with a 73% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.12
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845657172
Dimensions12.99 × 8.94 × 5.60 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.99 mm8.94 mm4.12 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845657172
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,876 GBP|Low: £520 GBP|High: £2,876 GBP|Avg: £1,483 GBP
Rare Carat
Retailer 2
Retailer 3
October 29, 2026
Retailer 2£520 GBP
Retailer 3£900 GBP
Rare Carat£2,876 GBP

13 data points across 3 retailers

3 retailers£520 GBP to £900 GBP

A
Cheapest Retailer
-
£520 GBP
$693 USD
Final sale: no returns
A
Retailer 2
-
£900 GBP
View
Most Expensive
B
Rare Carat
845657172 · Oct 21
£2,876 GBP
$3,830 USD
View
Price last confirmed 8 days ago
2 more retailers have this diamond
Prices start from £520 GBPSave up to £380 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.12ct Oval
£520 GBP